When a verb is the subject of a sentence, it needs to be in the -ing form. Often, the subject is the first word in a sentence ...

When a verb is followed by another verb, the second verb must be either an infinitive with 'to' such as 'to do', 'to make', 'to go' etc. or an -ing form such as 'doing', 'making', 'going'. In this ...

When a student writes "I am frustrating with that class," we recognize it as an error, but the error is not one that makes the writing unintelligible. The message ...

“Hi, Magi. Your eyes look so sunken! What’s going on? Are you binge-watching?” “No, Millie. I was surfing the net looking for ...